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Question 1 of 15

What is the SI unit of electric current?

Ampere is the fundamental unit for measuring the flow of electric charge.
Question 2 of 15

Which of the following is a passive electronic component?

Resistors consume energy, they don't amplify or switch signals.
Question 3 of 15

What does Ohm's Law state?

Ohm's Law defines the relationship between voltage, current, and resistance.
Question 4 of 15

What is the unit of electrical resistance?

Ohm (?) is the unit used to measure resistance to current flow.
Question 5 of 15

Which of the following is a good conductor of electricity?

Copper has a low resistance to electrical current, allowing it to pass through easily.
Question 6 of 15

What is the function of a capacitor?

Capacitors store energy in an electric field.
Question 7 of 15

What is the symbol for a resistor in a circuit diagram?

The zigzag line represents a resistor in circuit diagrams.
Question 8 of 15

What is the relationship between voltage, current, and power?

Power (P) is equal to Voltage (V) multiplied by Current (I).
Question 9 of 15

What type of current flows in one direction only?

DC flows consistently in a single direction.
Question 10 of 15

What is the basic unit of electrical charge?

Coulomb (C) is the SI unit for electric charge.
Question 11 of 15

What is the purpose of a diode?

A diode primarily allows current to flow in one direction.
Question 12 of 15

What is the property of a circuit that opposes the flow of current?

Resistance impedes the movement of electrical current.
Question 13 of 15

What is the symbol for a battery in a circuit diagram?

The symbol shows the positive and negative terminals of a DC source.
Question 14 of 15

What is the unit of power?

Power is measured in Watts (W).
Question 15 of 15

Which of the following is NOT a fundamental electrical quantity?

Frequency is derived from time and is not a fundamental electrical quantity.
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